Person

Aya Miyaguchi

Lately: Ethereum Foundation as Executive Director.

“La Presidenté @Ethereum Foundation, growing the Infinite Garden 🌳”
How they describe themselves on X (@ayamiyagotchi)

Public record only: name, role, employer, source, and date.

Recorded moves

Board Seats
pcaversaccio Joins the Ethereum Foundation Board After 54 Job Cuts
Hsiao-Wei Wang left on June 18, 2026, the Ethereum Foundation cut 54 jobs on June 23, and pcaversaccio joined its board on July 29.
CEO Changes
Aya Miyaguchi Hands the Ethereum Foundation to Two Co-Directors
Aya Miyaguchi moved from executive director to president on Feb. 25, 2025, two co-directors took over on March 1.
Layer 1s & Infrastructure
Danny Ryan Steers the Merge That Unplugged Ethereum's Miners
Danny Ryan coordinated Ethereum's switch to proof of stake on Sept. 15, 2022; CCRI found it cut the network's electricity use by 99.988 percent.
CEO Changes
Ethereum Foundation Names Aya Miyaguchi Executive Director
Aya Miyaguchi left her post as Kraken Japan's managing director to become the Ethereum Foundation's executive director on February 1, 2018, succeeding Ming Chan.
CEO Changes
Ming Chan Steps Down as Ethereum Foundation's Executive Director
Ming Chan left the Ethereum Foundation's top staff role on January 31, 2018, after two and a half years guiding the organization through the DAO hack and the 2016 denial-of-service attacks.